Solve the equation.
- x = 
- 
A. 
B. 
C. 
D. 
Answer: D
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
A. 
B. -25
C. 1
D. Diverges
Use the trapezoidal rule to find the area.A pond was measured every 290 m. The distances across the pond (in meters) are given in the diagram. Find the area.
A. 2,800,000 m2 B. 2,600,000 m2 C. 1,700,000 m2 D. 1,800,000 m2
Simplify the expression.cos(x + ?) cos(? - x) + sin(x + ?) sin(? - x)
A. 1 B. cos(2x + 2?) C. 0 D. sin(2x + 2?)
Solve the problem.The number of visitors to a tourist attraction (for the first few years after its opening) can be approximated by 
where x represents the number of months after the opening of the attraction. Find the number of visitors 4 months after the opening of the attraction.
A. 90 visitors B. 54 visitors C. 52 visitors D. 70 visitors